CVE-2021-32658 Sensitive data may not be removed from storage on account removal
Attackers with physical access may recover sensitive encryption keys from Nextcloud Android app storage after account removal due to cleanup timeouts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-32658?
CVE-2021-32658 is a medium-severity vulnerability in nextcloud security-advisories, published on 8 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Nextcloud Android is the Android client for the Nextcloud open source home cloud system. Due to a timeout issue the Android client may not properly clean all sensitive data on account removal. This could include sensitive key material such as the End-to-End encryption keys. It is recommended that the Nextcloud Android App is upgraded to 3.16.1
Which versions are affected by CVE-2021-32658?
1 open source package ship an affected version, including nextcloud. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nextcloud Bitnami | All versions | 3.16.1 |
Products include Nextcloud Nextcloud.
How do I fix CVE-2021-32658?
Upgrade nextcloud to 3.16.1 or later.
Is CVE-2021-32658 being exploited?
There is no known exploitation of CVE-2021-32658 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2019-5454 SQL injection in com.nextcloud.client
- CVE-2021-43863 SQL Injection in FileContentProvider (GHSL-2021-1007)
- CVE-2019-5450 Cross-site scripting in com.nextcloud.client
- CVE-2019-5455 Auth bypass in com.nextcloud.client
- CVE-2021-22905 Information disclosure in Nextcloud Android App (com.nextcloud.client)
Sources
Also known as BIT-nextcloud-2021-32658, GHSA-g5gf-rmhm-wpxw.